(19)
(11) EP 2 669 882 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
23.09.2015 Bulletin 2015/39

(43) Date of publication A2:
04.12.2013 Bulletin 2013/49

(21) Application number: 12194803.8

(22) Date of filing: 29.11.2012
(51) International Patent Classification (IPC): 
G09G 3/20(2006.01)
 G09G 3/36(2006.01)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME

(30) Priority: 31.05.2012 KR 20120058172
29.06.2012 KR 20120070922

(71) Applicant: Samsung Display Co., Ltd.
Yongin-City, Gyeonggi-Do (KR)

(72) Inventors:
  • You, Bong Hyun
    Yongin-si, Gyeonggi-do 505-305, (KR)
  • Goh, Joon-Chul
    Hwaseong-si, Gyeonggi-do 603-1804 (KR)
  • Choi, Uk Chul
    Cheonan-si, Chungcheongnam-do 111-1105, (KR)
  • Kim, Jung-Won
    Seoul, Gangseo-gu 125-701 (KR)
  • Choi, Nam-Gon
    Asan-si, Chungcheongnam-do 303-1102 (KR)
  • Park, Dong-Won
    Hwaseong-si, Gyeonggi-do 704-603 (KR)

(74) Representative: Dr. Weitzel & Partner 
Patent- und Rechtsanwälte mbB Friedenstrasse 10
89522 Heidenheim
89522 Heidenheim (DE)

   


(54) Display device and driving method thereof


(57) A display device includes a memory which stores gamma data for gamma curves including a first gamma curve and a second gamma curve; a gray voltage generator which generates gray voltages based on the gamma data; a data driver which receives an input image signal from a signal controller and converts the input image signal into a data voltage using the gray voltages; and a display panel including pixels which receives the data voltage and may display an image, where the pixel displays images corresponding to the input image signal during one frame set, one frame set includes consecutive frames, the images displayed by a pixel includes first and second images displayed based on the first and second gamma curves, respectively, a luminance of the first image is not less than a luminance of the second image, and the second image is displayed in two consecutive frames.







Search report












Search report